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Ensure that the --bind-address argument is set to 127.0.0.1 (Automated)
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macOS post-exploitation for credential harvesting, DTrace monitoring, TCC bypass, and stealth operations via native tools
Windows userland post-exploitation for credential harvesting, monitoring, AMSI/ETW bypass, and stealth operations
Kubernetes post-exploitation for container escape, secret extraction, RBAC abuse, and cluster persistence
Based on SOC occupation classification
Showing SKILL.md
| name | cis-k8s-v1110-1.3.7 |
| description | Ensure that the --bind-address argument is set to 127.0.0.1 (Automated) |
| category | cis-k8s |
| version | 1.11.0 |
| author | cyberstrike-official |
| tags | ["cis","kubernetes","control-plane","controller-manager","bind-address","network"] |
| cis_id | 1.3.7 |
| cis_benchmark | CIS Kubernetes Benchmark v1.11.0 |
| tech_stack | ["kubernetes"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
Do not bind the Controller Manager service to non-loopback insecure addresses.
The Controller Manager API service which runs on port 10252/TCP by default is used for health and metrics information and is available without authentication or encryption. As such it should only be bound to a localhost interface, to minimize the cluster's attack surface
None
Run the following command on the Control Plane node:
ps -ef | grep kube-controller-manager
Verify that the --bind-address argument is set to 127.0.0.1
Edit the Controller Manager pod specification file /etc/kubernetes/manifests/kube-controller-manager.yaml on the Control Plane node and ensure the correct value for the --bind-address parameter
By default, the --bind-address parameter is set to 0.0.0.0
Although the current Kubernetes documentation site says that --address is deprecated in favour of --bind-address Kubeadm 1.11 still makes use of --address
| Controls Version | Control | IG 1 | IG 2 | IG 3 |
|---|---|---|---|---|
| v8 | 12.6 Use of Secure Network Management and Communication Protocols | X | X | |
| v7 | 9.2 Ensure Only Approved Ports, Protocols and Services Are Running | X | X |